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complete GroupedNativeMethodsGenerator

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This commit is contained in:
neuecc 2023-04-15 18:45:52 +09:00
parent d6054fe092
commit 168936d9ff
9 changed files with 203 additions and 132 deletions
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71
GroupedNativeMethodsGenerator/Class1.cs
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@ -1,71 +0,0 @@
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;
namespace GroupedNativeMethodsGenerator;
[Generator(LanguageNames.CSharp)]
public partial class GroupedNativeMethodsGenerator : IIncrementalGenerator
{
public void Initialize(IncrementalGeneratorInitializationContext context)
{
context.RegisterPostInitializationOutput(ctx =>
{
ctx.AddSource("GroupedNativeMethodsGenerator.Attribute.cs", """
namespace GroupedNativeMethodsGenerator
{
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
internal sealed class GroupedNativeMethodsAttribute : Attribute
{
public string RemovePrefix { get; set; } = "";
public bool RemoveUntilTypeName { get; set; } = true;
/// <summary>Fix method name as C# Style, e.g.: foo_bar_baz() -> FooBarBaz()</summary>
public bool FixMethodName { get; set; } = true;
}
}
""");
});
var source = context.SyntaxProvider.ForAttributeWithMetadataName("GroupedNativeMethodsGenerator.GroupedNativeMethodsAttribute",
(node, token) => node is ClassDeclarationSyntax,
(ctx, token) => ctx);
context.RegisterSourceOutput(source, Emit);
}
static void Emit(SourceProductionContext context, GeneratorAttributeSyntaxContext source)
{
var typeSymbol = (INamedTypeSymbol)source.TargetSymbol;
var typeNode = (TypeDeclarationSyntax)source.TargetNode;
var ns = typeSymbol.ContainingNamespace.IsGlobalNamespace
? ""
: $"namespace {typeSymbol.ContainingNamespace};";
var fullType = typeSymbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)
.Replace("global::", "")
.Replace("<", "_")
.Replace(">", "_");
var methods = typeSymbol.GetMembers()
.OfType<IMethodSymbol>();
// context.AddSource($"{fullType}.SampleGenerator.g.cs", code);
}
}
// TODO:...
public static class DiagnosticDescriptors
{
const string Category = "SampleGenerator";
public static readonly DiagnosticDescriptor ExistsOverrideToString = new(
id: "SAMPLE001",
title: "ToString override",
messageFormat: "The GenerateToString class '{0}' has ToString override but it is not allowed.",
category: Category,
defaultSeverity: DiagnosticSeverity.Error,
isEnabledByDefault: true);
}

168
GroupedNativeMethodsGenerator/GroupedNativeMethodsGenerator.cs Normal file
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@ -0,0 +1,168 @@
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using System.Text;
using System.Text.RegularExpressions;
namespace GroupedNativeMethodsGenerator;
[Generator(LanguageNames.CSharp)]
public partial class GroupedNativeMethodsGenerator : IIncrementalGenerator
{
public void Initialize(IncrementalGeneratorInitializationContext context)
{
context.RegisterPostInitializationOutput(ctx =>
{
ctx.AddSource("GroupedNativeMethodsGenerator.Attribute.cs", """
namespace GroupedNativeMethodsGenerator
{
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
internal sealed class GroupedNativeMethodsAttribute : Attribute
{
public string RemovePrefix { get; }
public string RemoveSuffix { get; }
public bool RemoveUntilTypeName { get; }
public bool FixMethodName { get; }
public GroupedNativeMethodsAttribute(string removePrefix = "", string removeSuffix = "", bool removeUntilTypeName = true, bool fixMethodName = true)
{
this.RemovePrefix = removePrefix;
this.RemoveSuffix = removeSuffix;
this.RemoveUntilTypeName = removeUntilTypeName;
this.FixMethodName = fixMethodName;
}
}
}
""");
});
var source = context.SyntaxProvider.ForAttributeWithMetadataName("GroupedNativeMethodsGenerator.GroupedNativeMethodsAttribute",
(node, token) => node is ClassDeclarationSyntax,
(ctx, token) => ctx);
context.RegisterSourceOutput(source, Emit);
}
static void Emit(SourceProductionContext context, GeneratorAttributeSyntaxContext source)
{
var typeSymbol = (INamedTypeSymbol)source.TargetSymbol;
var typeNode = (TypeDeclarationSyntax)source.TargetNode;
var ns = typeSymbol.ContainingNamespace.IsGlobalNamespace
? ""
: $"namespace {typeSymbol.ContainingNamespace}\n{{";
var accessibility = typeSymbol.DeclaredAccessibility == Accessibility.Public ? "public" : "internal";
var fullType = typeSymbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)
.Replace("global::", "")
.Replace("<", "_")
.Replace(">", "_");
var grouped = typeSymbol.GetMembers().OfType<IMethodSymbol>()
.Where(x => x.Parameters.Length != 0)
.Where(x => x.Parameters[0].Type is IPointerTypeSymbol t && (t.PointedAtType.SpecialType is SpecialType.None) && t.PointedAtType.TypeKind != TypeKind.Pointer)
.ToLookup(x =>
{
return ((IPointerTypeSymbol)x.Parameters[0].Type).PointedAtType.ToDisplayString();
});
var libTypeName = typeSymbol.Name;
var removePrefix = (string)source.Attributes[0].ConstructorArguments[0].Value!;
var removeSuffix = (string)source.Attributes[0].ConstructorArguments[1].Value!;
var removeUntilTypeName = (bool)source.Attributes[0].ConstructorArguments[2].Value!;
var fixMethodName = (bool)source.Attributes[0].ConstructorArguments[3].Value!;
var code = new StringBuilder();
code.AppendLine($$"""
// <auto-generated/>
#nullable enable
#pragma warning disable CS8600
#pragma warning disable CS8601
#pragma warning disable CS8602
#pragma warning disable CS8603
#pragma warning disable CS8604
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
{{ns}}
{{accessibility}} static unsafe class {{typeSymbol.Name}}GroupingExtensions
{
""");
foreach (var g in grouped)
{
code.AppendLine($"#region {g.Key}({g.Count()})");
code.AppendLine();
foreach (var item in g)
{
var firstArgument = item.Parameters[0];
var ret = item.ReturnType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat);
var requireRet = ret == "void" ? "" : "return ";
var convertedMethodName = ConvertMethodName(((IPointerTypeSymbol)firstArgument.Type).PointedAtType.Name, item.Name, removePrefix, removeSuffix, removeUntilTypeName, fixMethodName);
var pointedType = ((IPointerTypeSymbol)firstArgument.Type).PointedAtType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat);
var parameterPairs = string.Join("", item.Parameters.Skip(1).Select(x => $", {x.Type.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)} @{x.Name}"));
var parameterNames = string.Join("", item.Parameters.Skip(1).Select(x => $", @{x.Name}"));
code.AppendLine($" public static {ret} {convertedMethodName}(this ref {pointedType} @{firstArgument.Name}{parameterPairs})");
code.AppendLine(" {");
code.AppendLine($" {requireRet}{libTypeName}.{item.Name}(({pointedType}*)Unsafe.AsPointer(ref @{firstArgument.Name}){parameterNames});");
code.AppendLine(" }");
code.AppendLine("");
}
code.AppendLine($"#endregion");
code.AppendLine();
}
code.AppendLine(" }");
if (ns != "")
{
code.AppendLine("}");
}
context.AddSource($"{fullType}.GroupedNativeMethods.g.cs", code.ToString());
}
static string ConvertMethodName(string typeName, string methodName, string removePrefix, string removeSuffix, bool removeUntilTypeName, bool fixMethodName)
{
if (removeUntilTypeName)
{
var match = methodName.IndexOf(typeName);
if (match != -1)
{
methodName = methodName.Substring(match + typeName.Length);
goto FINAL;
}
}
if (!string.IsNullOrEmpty(removePrefix))
{
methodName = Regex.Replace(methodName, $"^{Regex.Escape(removePrefix)}", "");
}
FINAL:
if (!string.IsNullOrEmpty(removeSuffix))
{
methodName = Regex.Replace(methodName, $"{Regex.Escape(removeSuffix)}$", "");
}
methodName = methodName.Trim('_');
if (fixMethodName)
{
var split = methodName.Split('_');
methodName = string.Concat(split.Select(x =>
{
if (x.Length == 0) return x;
if (x.Length == 1) return char.ToUpper(x[0]).ToString();
return char.ToUpper(x[0]) + x.Substring(1);
}));
}
return methodName;
}
}

1
csbindgen/src/emitter.rs
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@ -292,6 +292,7 @@ pub fn emit_csharp(
// This code is generated by csbindgen.
// DON'T CHANGE THIS DIRECTLY.
// </auto-generated>
#pragma warning disable CS8500
#pragma warning disable CS8981
using System;
using System.Runtime.InteropServices;

66
dotnet-sandbox/BindingGroupExtensions.cs vendored
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@ -1,50 +1,44 @@
using CsBindgen;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace CsbindgenDotnetConsoleApp
namespace Physx
{
// Concept for grouping extension
internal static unsafe class BindingGroupExtensions
[GroupedNativeMethodsGenerator.GroupedNativeMethods(removePrefix: "Px")]
internal static unsafe partial class LibPhysxd
{
// public static extern bool quiche_conn_set_keylog_path(quiche_conn* conn, byte* path);
// public static extern nuint quiche_conn_max_send_udp_payload_size(quiche_conn* conn);
// public static extern int quiche_conn_close(quiche_conn* conn, [MarshalAs(UnmanagedType.U1)] bool app, ulong err, byte* reason, nuint reason_len);
}
}
public static bool SetKeylogPath(this ref quiche_conn conn, byte* path)
{
return LibQuiche.quiche_conn_set_keylog_path((quiche_conn*)Unsafe.AsPointer(ref conn), path);
}
namespace CsBindgen
{
[GroupedNativeMethodsGenerator.GroupedNativeMethods(removePrefix: "b3")]
internal static unsafe partial class LibBullet3
{
}
public static nuint MaxSendUdpPayloadSize(this ref quiche_conn conn)
{
return LibQuiche.quiche_conn_max_send_udp_payload_size((quiche_conn*)Unsafe.AsPointer(ref conn));
}
public static int MaxSendUdpPayloadSize(this ref quiche_conn conn, bool app, ulong err, byte* reason, nuint reason_len)
{
return LibQuiche.quiche_conn_close((quiche_conn*)Unsafe.AsPointer(ref conn), app, err, reason, reason_len);
}
public static bool Hoge(quiche_conn* conn, byte* path)
{
return conn->SetKeylogPath(path);
}
[GroupedNativeMethodsGenerator.GroupedNativeMethods(removePrefix: "quiche_")]
internal static unsafe partial class LibQuiche
{
}
[GroupedNativeMethodsGenerator.GroupedNativeMethods(removePrefix: "sqlite3_")]
public static unsafe partial class LibSqlite3
{
}
}
namespace Physx
namespace PixivApi.ImageFile
{
[GroupedNativeMethodsGenerator.GroupedNativeMethods]
internal static unsafe partial class LibPhysxd
[GroupedNativeMethodsGenerator.GroupedNativeMethods(removePrefix: "png_")]
internal static unsafe partial class LibPng16
{
}
}
namespace Jolt
{
[GroupedNativeMethodsGenerator.GroupedNativeMethods(removePrefix: "JPH_")]
internal static unsafe partial class NativeMethods
{
}
}

25
dotnet-sandbox/CsbindgenDotnetConsoleApp.sln vendored
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@ -1,25 +0,0 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.5.33414.496
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsbindgenDotnetConsoleApp", "CsbindgenDotnetConsoleApp.csproj", "{3ED7C644-A880-426C-9BF1-24675D7A6299}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{3ED7C644-A880-426C-9BF1-24675D7A6299}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{3ED7C644-A880-426C-9BF1-24675D7A6299}.Debug|Any CPU.Build.0 = Debug|Any CPU
{3ED7C644-A880-426C-9BF1-24675D7A6299}.Release|Any CPU.ActiveCfg = Release|Any CPU
{3ED7C644-A880-426C-9BF1-24675D7A6299}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {DD647440-C307-4A09-9D97-DEA74660F797}
EndGlobalSection
EndGlobal

1
dotnet-sandbox/NativeMethods.cs vendored
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@ -2,6 +2,7 @@
// This code is generated by csbindgen.
// DON'T CHANGE THIS DIRECTLY.
// </auto-generated>
#pragma warning disable CS8500
#pragma warning disable CS8981
using System;
using System.Runtime.InteropServices;

1
dotnet-sandbox/libphysx_csbindgen.cs vendored
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@ -2,6 +2,7 @@
// This code is generated by csbindgen.
// DON'T CHANGE THIS DIRECTLY.
// </auto-generated>
#pragma warning disable CS8500
#pragma warning disable CS8981
using System;
using System.Runtime.InteropServices;

1
dotnet-sandbox/libpng16_csbindgen.cs vendored
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@ -2,6 +2,7 @@
// This code is generated by csbindgen.
// DON'T CHANGE THIS DIRECTLY.
// </auto-generated>
#pragma warning disable CS8500
#pragma warning disable CS8981
using System;
using System.Runtime.InteropServices;

1
dotnet-sandbox/lz4_bindgen.cs vendored
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@ -2,6 +2,7 @@
// This code is generated by csbindgen.
// DON'T CHANGE THIS DIRECTLY.
// </auto-generated>
#pragma warning disable CS8500
#pragma warning disable CS8981
using System;
using System.Runtime.InteropServices;